Re: severe performance degradation on serverworks with high mem

[Mike Fedyk]

On Thu, Oct 18, 2001 at 02:45:05PM -0700, Brian C. Thomas wrote:
> Hi
> 
> I don't know if this helps, but I seem to have stumbled onto a
> possible "fix" for this...
> 
> With 64GB high memory enabled in kernel 2.4.12-ac3, and mtrr turned
> on, I was able to see all 8GB RAM on my machine by using the old
> 'append="mem=8000M"' command in my lilo.conf file... AND WITH NO LOSS
> OF PERFORMANCE!
> 
> Does that help anyone with defining where this problem is coming from?
> 

The real question is how to reproduce the > 2hr kernel compiles.

Are there any certain steps that would reliably create the problem, and if
so what are they?